Excipient

Sodium Starch Glycolate (SSG)

Sodium Starch Glycolate (SSG) is a highly efficient, cross-linked sodium salt of a carboxymethyl ether of starch. It functions as a powerful super-disintegrant, absorbing water rapidly to expand tablet structure and facilitate immediate drug release.

Technical Specifications

Chemical NameSodium starch glycolate
CAS Number9063-38-1
AppearanceFine, white to off-white, free-flowing powder
pH (1% dispersion)5.5 – 7.5
Loss on Drying< 10.0%
Sodium Content2.8% – 4.2%
Swelling Volume> 10 mL/g
StorageStore in a cool, dry place; keep tightly sealed to prevent moisture absorption

Recommended Applications

  • Super-Disintegrant: Promotes fast disintegration at low concentrations (2%–8% w/w).
  • Dosage Optimization: Excellent for tablets requiring rapid dissolution.
  • Versatile Processing: Effective in both direct compression and wet granulation methodologies.
  • Nutraceuticals: Ideal for improving bioavailability of compressed herbal and mineral supplements.